Mood disorder caused by a health problem. Many conditions can trigger symptoms of depression. These include cancer, injuries, infections, and chronic illnesses.

Substance-induced mood disorder. These are depression symptoms from the effects of medicine or other forms of treatment, drug abuse, or exposure to toxins.

What causes mood disorders in a teen?

What causes mood disorders in teens is not well known. Certain chemicals in the brain are responsible for positive moods. Other chemicals in the brain (neurotransmitters) control the brain chemicals that affect mood. Mood disorders may be caused by a chemical imbalance in the brain. This can happen on its own. Or it can happen along with environmental factors, such as unexpected life events or long-lasting stress.

Mood disorders can run in families. Researchers believe that many factors play a role. The factors that produce the trait or condition are often both inherited and environmental. They include a mix of genes from both parents. If a mother passes a mood disorder trait to her children, a daughter is more likely to have the disorder. If a father passes a mood disorder trait to his children, a son is more likely to have the disorder.

Which teens are at risk for mood disorders?

Anyone can feel sad or depressed at times. But mood disorders are more intense. They are harder to handle than normal feelings of sadness. Teens who have a parent or other relative with a mood disorder have a greater chance of also having a mood disorder. It is not definite that this will happen. But hard life events and stress can expose or exaggerate feelings of sadness or depression. This makes the feelings harder to manage.

It can be hard for a teen to cope with these situations. These stressful life events can bring on feelings of sadness or depression. Or they can make a mood disorder harder to manage. It depends on your teen’s coping skills and their ability to rebound from rough times.

What are the symptoms of mood disorders in a teen?

Teens don’t always have or show the same symptoms as adults. It's harder to spot mood disorders in children and teens. That’s often because they are not always able to say how they feel.

Teens may show different symptoms than adults or small children. It depends on their age and the type of mood disorder. These are the most common symptoms:

In mood disorders, these feelings seem stronger than teens normally feel from time to time. It is also of concern if these feelings last over a period of time. Or if they interfere with a teen’s interest in being with friends or taking part in daily activities at home or school. Contact your teen’s healthcare provider right away if your child expresses any thoughts of suicide. Don't leave your teen alone.

Other signs of possible mood disorders in teens may include:

Poor performance in school

Constant anger

Rebellious behaviors

Trouble with family

Trouble with friends and peers

These symptoms may seem like other conditions or mental health problems. Make sure your teen sees his or her healthcare provider for a diagnosis.

How are mood disorders diagnosed in a teen?

After your teen's healthcare provider does a full physical exam to rule out any other health condition, a mental health provider may diagnose a mood disorder. This is based on a complete mental health evaluation. He or she may also evaluate the family and talk with teachers and caregivers.

How are mood disorders treated in a teen?

Treatment will depend on your teen’s symptoms, age, and general health. It will also depend on how severe the condition is.

Mood disorders can often be treated. Treatment may include one or more of the following:

Medicines. These can be very helpful, especially when combined with talk therapy.

Talk therapy (psychotherapy). This treatment helps teens change their distorted views of themselves and the environment around them. It also finds stressors in the teen’s environment and teaches him or her how to stay away from them. He or she will also learn how to work through hard relationships.

Family therapy. Parents play a vital supportive role in any treatment.

School input. You may want to talk with school administrators about possibly getting your child emotional and academic support through an Individualized Education Plan (IEP).

What are possible complications of mood disorders in a teen?

Teens with mood disorders are at risk for other problems. These include:

Substance abuse

Anxiety disorder

Disruptive behavior

Suicidal thinking or suicide attempts

How can I help prevent a mood disorder in my teen?

Experts don’t know at this time how to prevent mood disorders in teens. But early detection and treatment are vital. They can ease symptoms and help with your teen’s normal growth and development. They can improve your teen’s quality of life.

How can I help my teen live with a mood disorder?

You play a key role in his or her treatment. Here are things you can do to help:

Keep all appointments with your teen’s healthcare provider.

Take part in family therapy as needed.

Talk with your teen’s healthcare provider about other providers who will be included in your teen’s care. Your child may get care from a team that may include counselors, therapists, social workers, psychologists, and psychiatrists. The care team will depend on your teen's needs and how serious the depression is.

Tell others about your teen’s mood disorder. Work with your teen’s healthcare provider and school to develop a treatment plan.

Check on school resources for your teen. The Americans with Disabilities Act (ADA) and Section 504 of the Civil Rights Act can help the school meet your teen's educational needs. Talk with your child’s teacher and school principal about reasonable accommodations so your teen can be successful in school.

Reach out for support. Being in touch with other parents who have a teen with a mood disorder may be helpful.

Take all symptoms of suicide very seriously. Seek treatment right away. Suicide is a health emergency. Call 911 if your teen is suicidal, has a plan, and has the means to carry it out. Don' leave your teen alone. Talk with your teen’s healthcare provider for more information.

When should I call my teen’s healthcare provider?

Call the healthcare provider right away if your teen:

Feels extreme depression, fear, anxiety, or anger toward him or herself or others

Feels out of control

Hears voices that others don’t hear

Sees things that others don’t see

Can’t sleep or eat for 3 days in a row

Has new symptoms or current symptoms get worse

Shows behavior that concerns friends, family, or teachers, and others express concern about this behavior and ask you to seek help

Mood disorders can be very stressful on the family. Ask your teen's healthcare provider or school staff for resources to help your family.

Call 911 if your teen has suicidal thoughts, a suicide plan, and the means to carry out the plan.

Key points about mood disorders in teens

Mood disorders are a group of mental health problems. They include all types of depression and bipolar disorder.

Mood disorders can run in families.

Stressful life events can also raise a teen’s risk for this type of disorder.

Symptoms include feelings of despair and helplessness. A teen may also have low self-esteem and sleep problems.

Take symptoms of suicide seriously. Call 911 if your teen has suicidal thoughts, a suicide plan, and the means to carry out the plan.

Treatment includes medicines and therapy.

Next steps

Tips to help you get the most from a visit to your child’s healthcare provider:

Know the reason for the visit and what you want to happen.

Before your visit, write down questions you want answered.

At the visit, write down the name of a new diagnosis, and any new medicines, treatments, or tests. Also write down any new instructions your provider gives you for your child.

Know why a new medicine or treatment is prescribed and how it will help your child. Also know what the side effects are.

Ask if your child’s condition can be treated in other ways.

Know why a test or procedure is recommended and what the results could mean.

Know what to expect if your child does not take the medicine or have the test or procedure.

If your child has a follow-up appointment, write down the date, time, and purpose for that visit.

Know how you can contact your child’s provider after office hours. This is important if your child becomes ill and you have questions or need advice.

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